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Marine Diesel

Cummins QSL9 8.9L Marine Remanufactured Long Block (250-450 HP)

SKU: USCUMQSL9MLB

1 Year Unlimited Mileage Warranty included with this remanufactured engine
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Remanufactured Cummins QSL9 8.9L Marine Long Block (250-450 HP). 1-Year Warranty.

Product Details

Our Cummins QSL9 8.9L Marine Remanufactured Long Block Includes:


Cam/Main/Rod Bearings | Oil Pump | Timing Gears

Camshaft | Pistons | Valves

Connecting Rods | Piston Rings | Valve Guides

Gaskets | Push Rods | Valve Keepers

Lifters | Rocker Arms | Valve Springs

Engine Specifications:

•Displacement: 8.9L

•Horsepower: 250-450 HP

•Configuration: 6-Cylinder Inline, Common Rail Electronic

•Application: Heavy-duty marine, towboats, offshore support


The Cummins QSL9 is the modern evolution of the proven 8.3L platform, delivering more power with better fuel economy and lower emissions. This remanufactured long block is the smart choice for operators looking to rebuild rather than replace their QSL9-powered vessels.


Every long block is completely remanufactured to OEM specifications using premium components. All wear surfaces are restored to factory tolerances.


We stand behind our unbeatable quality with a One Year Unlimited Mileage Warranty!


Call us today with any questions and to verify this engine will work for you: (631) 991-7700

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Prop 65 Warning: Products may contain chemicals known to the State of California to cause cancer and/or birth defects. Learn more